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HyperX Predator DDR4 RGB 16GB Kit of 2 (2 x 8GB) 4000MHz CL19 DIMM XMP RAM Memory with Infrared Sync Technology (HX440C19PB3AK2/16) at Amazon.com
G.Skill Trident Z NEO Series 32GB (2 x 16GB) 288-Pin SDRAM DDR4 4000 (PC4-32000) CL18-22-22-42 1.40V Dual Channel Desktop Memory Model F4-4000C18D-32GTZN at Amazon.com
TOUGHRAM RGB MemoryDDR4 4000MHz 16G (8G x 2)
HyperX Predator Black 16GB 4000MHz DDR4 CL19 DIMM (Kit of 2) XMP (HX440C19PB3K2/16) at Amazon.com
G.Skill RipJaws V Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-32000) DDR4 4000 CL18-22-22-42 1.35V Dual Channel Desktop Memory Model F4-4000C18D-16VK at Amazon.com
Team Group T-Force Excalibur RGB Special Edition Internal Memory 16 GB, 2 x 8 GB DDR4, Black at Amazon.com
G.Skill Trident Z RGB Memory Module 32 GB DDR4 4000 MHz at Amazon.com
Thermaltake TOUGHRAM RGB DDR4 4000MHz 16GB (8GB x 2) 16.8 Million Color RGB Alexa/Razer Chroma/5V Motherboard Syncable RGB Memory R009D408GX2-4000C19A at Amazon.com